翻译-空气及天然气钻井

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本科生毕业设计（论文）

翻译资料

中文题目：空气及天然气钻井

英文题目： Air and Gas Drilling

学生姓名：

学号：

班级：

专业

指导教师：

论文翻译

Chapter One Introduction

This engineering practice book has been prepared for engineers, earth

scientists,and technicians who work in modern rotary drilling operations. The book

derives and illustrates engineering calculation techniques associated with air and gas

drilling technology. Since this book has been written for a variety of professionals and

potential applications, the authors have attempted to minimize the use of field

equations. Also the technical terminology used in the book should be easily

understood by all those who study this technology. In nearly all parts of the

book,equations are presented that can be used with any set of consistent units.

Although most of the example calculations use English units, a reader can easily

convert to the Systeme Internationale d’Units (SI units) using the tables in Appendix

Air and gas drilling technology is the utilization of compressed air or other gases

as a rotary drilling circulating fluid to carry the rock cuttings to the surface that are

generated at the bottom of the well by the advance of the drill bit. The compressed air

or other gas (e.g., nitrogen or natural gas) can be used by itself, or can be injected into

the well with incompressible fluids such as fresh water,

formation water, or formation oil. There are three distinct operational

applications for this technology: air or gas drilling operations (using only the

compressed air or other gas as the circulating fluid), aerated drilling operations (using

compressed air or other gas mixed with an incompressible fluid), and stable foam

drilling operations (using the compressed air or other gas with an incompressible fluid

to create a continuous foam circulating fluid).

论文翻译

1.1 Rotary Drilling

Rotary drilling is a method used to drill deep boreholes in rock formations of the

earth’s crust. This method is comparatively new, having been first developed by a

French civil engineer, Rudolf Leschot, in 1863 [3]. The method was initially used to

drill water wells using fresh water as the circulation fluid. Today this method is the

only rock drilling technique used to drill deep boreholes (greater than 3,000 ft).It is

not known when air compressors were first used for the drilling of water wells,but it is

known that deep petroleum and natural gas wells were drilled utilizing portable air

compressors in the 1920’s [4]. Pipeline gas was used to drill a natural gas well in

Texas in 1935 using reverse circulation techniques [5].

Today rotary drilling is used to drill a variety of boreholes. Most water wells and

environmental monitoring wells drilled into bedrock are constructed using rotary

drilling. In the mining industry rotary drilling is used to drill ore body test boreholes

and pilot boreholes for guiding larger shaft borings. Rotary drilling techniques are

used to drill boreholes for water, oil, gas, and other fluid pipelines that need to pass

under rivers, highways, and other natural and man-made obstructions. Most recently,

rotary drilling is being used to drill boreholes for fiber optics and other

telecommunication lines in obstacle ridden areas such as cites and industrial sites. The

most sophisticated application for rotary drilling is the drilling of deep boreholes for

the recovery of natural resources such as crude oil, natural gas, and geothermal steam

and water. Drilling boreholes for fluid resource recovery requires boreholes drilled to

depths of 3,000 ft to as much as 20,000 ft.

Rotary drilling is highly versatile. The rotary drilling applications given

aboverequire the drilling of igneous, metamorphic, and sedimentary rock. However,

the deep drilling of boreholes for the recovery of crude oil and natural gas are almost

exclusively carried out in sedimentary rock. Boreholes for the recovery of geothermal

steam and water are constructed in all three rock types. The rotary drilling method

requires the use of a rock cutting or crushing drill bit. Figure 1-1 shows a typical mill

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摘要：

本科生毕业设计（论文）翻译资料中文题目：空气及天然气钻井英文题目：AirandGasDrilling学生姓名：学号：班级：专业指导教师：论文翻译ChapterOneIntroductionThisengineeringpracticebookhasbeenpreparedforengineers,earthscientists,andtechnicianswhoworkinmodernrotarydrillingoperations.Thebookderivesandillustratesengineeringcalculationtechniquesassociatedwithairandg...

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